Hillingdon: plumbing, heating and air-conditioning companies
Hillingdon has 3 plumbing, heating and air-conditioning companies (SIC 43220) and 6 electrical and other installation companies registered here (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the office is in UB10, summer 2026 had ≈10 nights above 18 °C there (7 times the 1991–2020 average of 1.5).
SIC 43220
Open a company
CONTROL HEATING LIMITED, incorporated 2017, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| CONTROL HEATING LIMITED | 2017 | Active | UB10 |
| SAA MAINTENANCE LTD | 2025 | Active | UB10 |
| OVERFLOW PLUMBING & DRAINAGE LTD | 2020 | Active | UB8 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| DEO HIGHTECH LIMITED | 43210 · electrical installation | 2019 | Active | UB10 |
| HEAVENLYINNOVATION LTD | 43290 · other construction installation | 2023 | Active | UB10 |
| H&M BUILDCO LTD | 43290 · other construction installation; 43310; 43341; 43390 | 2025 | Active | UB10 |
| L.M.J. MARINE & INDUSTRIAL ENGINEERING LTD | 43210 · electrical installation | 2023 | Active | UB8 |
| TALWAR CONSTRUCTION LTD | 43210 · electrical installation | 2014 | Active | UB10 |
| C J BEARDON LTD | 43290 · other construction installation; 96090 | 2018 | Active - Proposal to Strike off | UB10 |
Heat and planning around Hillingdon
In Hillingdon last summer (2026) there were ≈10 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.5 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities). The figure is the household-weighted mean of 2 postcode districts where these offices are registered.
10% of sampled postcodes in Hillingdon sit in a conservation area (1,535 live postcodes across 2 districts).
In England an air-source heat pump on a house can be permitted development under Class G when the conditions hold, including the MCS 020a noise limit of 37.0 dB(A) (§3.2 Step 8).
Companies House snapshot 1 Sep 2026, retrieved 25 Sep 2026. The address shown is the registered office, not a verified operating base. This catalogue is a directory of incorporated businesses, not an exhaustive installer register. Hot nights: ERA5-ARCO, June–August, minimum at or above 18 °C, household-weighted across the districts where these offices are registered, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points, snapshot 25 Sep 2026. Distances are an equirectangular approximation to 0.1 km.
Better than a town directory that only lists names: each plumbing company links to its Companies House record and the local hot-night count.